Brand  (β version)

PDB ID: 1IW1

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Ligands
Code Name Style Show Link
HEM Protoporphyrin ix containing Fe PoSSuM
SO4 Sulfate ion PoSSuM
GLC Alpha-D-glucopyranose PoSSuM
FRU Beta-D-fructofuranose PoSSuM
: Polysaccharide
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Structure summary

Code : 1IW1   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : Crystal structure of a heme oxygenase (HmuO) from Corynebacterium diphtheriae complexed with heme in the ferrous state
Release Data : 2003-04-04
Compound :
mol_id molecule chains
1 Heme oxygenase A,B,C
ec: 1.14.99.3
Source :
mol_id organism_scientific expression_system
1 Corynebacterium diphtheriae  (taxid:1717) Escherichia coli BL21(DE3)  (taxid:469008)
expression_system_strain: BL21(DE3)
expression_system_vector_type: PLASMID
expression_system_plasmid: pMW172
Authors : Hirotsu, S., Unno, M., Chu, G.C., Lee, D.S., Park, S.Y., Shiro, Y., Ikeda-Saito, M., RIKEN Structural Genomics/Proteomics Initiative (RSGI)
Keywords : alpha helix, bacterial iron acquisition, RIKEN Structural Genomics/Proteomics Initiative, RSGI, Structural Genomics, OXIDOREDUCTASE
Exp. method : X-RAY DIFFRACTION ( 1.50 Å )
Citation :

The crystal structures of the ferric and ferrous forms of the heme complex of HmuO, a heme oxygenase of Corynebacterium diphtheriae.

Hirotsu, S.,Chu, G.C.,Unno, M.  et al.
(2004)  J.Biol.Chem.  279 : 11937 - 11947

PubMed: 14645223
DOI: 10.1074/jbc.M311631200

Reaction

Chain : A, B, C
UniProt : P71119 (HMUO_CORDI)
Reaction: EC: Evidence:
Physiological Direction:
heme b + 3 O2 + 3 reduced [NADPH--hemoprotein reductase] = biliverdin IXalpha + CO + Fe(2+) + H(+) + 3 H2O + 3 oxidized [NADPH-- hemoprotein reductase] 1.14.14.18 UniProtKB:O48782
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